Mechanical pencil



FIG. 1 is a lower front right perspective view of a mechanical pencilshowing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is an enlarged top plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is an enlarged bottom plan view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines in FIG. 3 are included for the purpose of illustratinga portion of the top that forms no part of the claimed design.

The ornamental design for a mechanical pencil, as shown and described.